ZAMST's Cooling Poncho and Vest "COOL SHADER" Updated with New Specification to Block Near-Infrared Rays, the Cause of Skin Flushing, Cumulative Sales Exceed 110,000 Units

ZAMST's cooling poncho and vest have been updated with a new near-infrared ray blocking function and are now on sale.
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  • 📰 Published: March 30, 2026 at 20:00
  • 🔍 Collected: March 30, 2026 at 22:56 (2h 56m after Published)
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Nippon Sigmax Co., Ltd. (Headquarters: Shinjuku-ku, Tokyo; President: Yosuke Suzuki), which develops the sports support and care product brand "ZAMST (Zamst)", will launch the cooling poncho "ZAMST COOL SHADER" and the cooling vest "ZAMST COOL SHADER Active Vest" with a new specification that blocks near-infrared rays, which cause skin flushing and temperature rise due to strong sunlight.

Sales will begin on the ZAMST official online shop on April 14th, and at ZAMST product retailers nationwide from late April.

▲Updated and released with a new specification that blocks near-infrared rays, the cause of skin flushing and temperature rise due to strong sunlight.

■Emergency transports due to heatstroke in FY2025 were the highest on record; items that can cool a wide area of the body are effective for heat countermeasures

Due to recent heatwaves, the number of emergency transports due to heatstroke has been increasing. According to data released by the Ministry of Internal Affairs and Communications, the number of transports in FY2025 was 100,510, the highest since the survey began (※1). The government designates April 1st to September 30th each year as the "Heatstroke Prevention Reinforcement Campaign" period, and the Japan Sports Agency is also issuing guidelines for preventing heatstroke accidents during sports activities (※2).

One of the heat countermeasures is to cool the surface of the skin and lower the temperature of the blood beneath the skin to suppress body temperature rise. In particular, it has been reported that cooling a "wide area" of the body's capillaries is more efficient than methods that only cool major arteries (※3), and items that can directly cool a large area of the body are considered effective measures in hot environments.

※1) Ministry of Internal Affairs and Communications, "Situation of Emergency Transports due to Heatstroke in Reiwa 7 (May-September)", p.2, October 29, 2025

※2) Japan Sports Agency, "

FAQ

What is the new feature of the ZAMST COOL SHADER?

The ZAMST COOL SHADER has been updated with a new specification that blocks near-infrared rays, which are a cause of skin flushing and temperature rise due to strong sunlight.

When will the updated ZAMST COOL SHADER be available?

Sales will begin on the ZAMST official online shop on April 14th, and at ZAMST product retailers nationwide from late April.

Why is blocking near-infrared rays important for heat countermeasures?

Near-infrared rays are a cause of skin flushing and temperature rise due to strong sunlight. By blocking them, the product helps to mitigate these effects and contribute to overall heat management.

What is the significance of the cumulative sales exceeding 110,000 units?

This figure indicates strong market acceptance and customer trust in the ZAMST COOL SHADER product line, suggesting its effectiveness and popularity.

How does cooling a wide area of the body help with heatstroke prevention?

Cooling the skin's surface and lowering blood temperature in capillaries across a wide area is reported to be more efficient in suppressing body temperature rise compared to methods that only cool major arteries.

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